Longman Dictionary of Contemporary English homepage

influential

 adjective
     
in‧flu‧en‧tial
having a lot of influence and therefore changing the way people think and behave:
He had influential friends.
influential in
Dewey was influential in shaping economic policy.
a highly influential art magazine
WORD FOCUS: strong WORD FOCUS: strong
person: tough, muscular, wiry, powerful
thing: tough, sturdy, durable, rugged, heavy-duty, indestructible, well-made, robust
country/organization: powerful, mighty, influential, dominantstrong

➔ See also strong
Definition from the Longman Dictionary of Contemporary English
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